As running Oracle databases as (partially) managed services in the cloud has become quite popular, I thought to start a little series about troubleshooting Oracle (performance) stuff when not having OS access. This will help with such cloud services, but also in cases where your team just doesn’t have convenient OS access due to some separation of privileges reasons. The first example is my schedlat.sql script that uses X$KSO_SCHED_DELAY_HISTORY to list sampled process scheduling latency de...